Home / 526,802,067,145.82-726,986,852,590.74-298,431,309,132.38

Finding the Fourth Proportional to 526,802,067,145.82, 726,986,852,590.74 and 298,431,309,132.38

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Solution

The fourth proportional to 526,802,067,145.82, 726,986,852,590.74 and 298,431,309,132.38 is: 411,835,206,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,802,067,145.82 : 726,986,852,590.74 = 298,431,309,132.38 : x
  2. Step 2: Convert to fraction form
    526,802,067,145.82/726,986,852,590.74 = 298,431,309,132.38/x
  3. Step 3: Cross multiply
    526,802,067,145.82x = 726,986,852,590.74 × 298,431,309,132.38
  4. Step 4: Simplify right side
    526,802,067,145.82x = 216,955,638,140,683,100,880,896
  5. Step 5: Solve for x
    x = 216,955,638,140,683,100,880,896/526,802,067,145.82
  6. Step 6: Final answer
    x = 411,835,206,562.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.